Annealing Lehr Roller in The Float Glass Process

• Customization: Available
• Feature: Long Time Materials
• Refractoriness (℃): 650-70
• Model NO.: annealing lehr rollers
• Shape: Roller
• Type: Heat-Resistant Material
• Application: Flat Glass Annealing Lehr
• Design: Customized
• Performance Feature: Long Term Used, No Thermal Bending, Smooth Surface
• Material: Castable
• Transport Package: Customized
• Specification: 25/20, 18/8, 25/4, fiber
• Trademark: QYD
• Origin: China
• HS Code: 84759000
• Production Capacity: 50000 PCS/Year

Product Description

1. Company brief description:

Qingdao Yuanding Group Co., Ltd(Known as QYD). was founded in 1966. it is a comprehensive manufacturing enterprise which was restructured by state-owned enterprises. Headquartered in the Central Business District of Qingdao City. QYD has seven investment holding companies and two manufacturing industrial parks in Qingdao which located in Chengyang and Jimo, covering an area of more than 400000square meter. There are about 1100 employees including 286 engineers and technicians. All the leading products have passed the ISO 9001:2000 international quality system certification. The company has more 300 million RMB of fixed assets, with annual sales reaching 600-700 million RMB.

QYD is a key-legal protection unit and a AAA-level credit enterprise and an advanced collective of building materials industry in Shandong Province,
a AAA-level credit enterprise and civilized unit in Qingdao City. Also a winner of the Shandong Quality Management Award.



2. Products show:

QYD could supply all kinds of rollers, including LOR rollers, lehr rollers from A zone to F zone.  Main products are stainless steel plain roller(25/20,18/8), metal donut roller(25/4), fiber roller, castellated roller, graphite ring roller, carbon ring roller, compound ring roller,pattern roller etc.

Lift Out Roller(LOR) Material:25/20
Main Application: could be long term used in high temperature zone of float galss annealing lehr.
Performance Features: High temperature resistant, anti-oxidative, corrosion resistant, not thermal bending, high precision, smooth surface, stable dimension and long service life.

Steel Roller Material:25/20 18/8
Main Application: could be long term used in A2-B zone of float glass annealing lehr.
Performance Features:High tempetature resistant, not thermal bending, high precision, smooth surface, stable dimension and long service life.

HRF 650 Non-Asbestos Heat-Resistant Roller
-Main Application: Annealing lehr roller series for float galss annealing lehr line.
-Perforance Features:High temperature resistant, hot bending proof, wear proof, fine and smooth in quality, scrach-free on sheet surface, good thermal stability and long service life etc.

Composite Ring Roller
-Main Application: could be long term used in forced air cooling zone below 260ºC in float glass annealing lehr.
-Performance Features: Rings assembled with interval, good structure performance, fast heat dissipation, helpful for galss cooling, the composite material both has the elasticity of rubber and the strength of inorganic material, keep scratch free, light and low cost, high performance cost ratio.
-Achieved state patent No. ZL 2012 2 0025156.1

Graphite Ring Roller
-Main application: could be long term used in zones below 400ºC in float glass annealing lerh.
-Performance features:assembled with interval, good structure performance, fast heat dissipation, helpful for glass cooling, small themal expansion, no deformation, good themal stability, proper hardness, scratch-free on glass, light, low cost high performance cost ratio.

Item	Content
Name	LOR,Steel Roller,Metal Donut Roller,Fiber Roller,Composite Roller etc.
Material	Cr25Ni20,Cr18Ni8,Fiber Material,Graphite Material,Composite Material or customized
Process	Centrifugal casting or seamless pipe for the tube; welding; heat-treatment; machining;polishing
Working Temp.	650ºC-70ºC
Specification	Customized Dimension
Applicable Industry	Float Glass

3.Production process:


4.Test machines& Receiving customers: